.925 sterling silver Irregular-cut Prong-set Diamond = approximately 0.03 ct. tw.; colour = I-J; clarity = I1 Smoky Quartz gemstones = approximately 1.48 ct. tw. Pendant drops approximately 1/2in Approximately 16in long with 2in extender Lobster claw clasp closure It is customary to treat most gemstones to achieve enhanced colour and durability. Some of these treatments may not be permanent, and may require special care. Please note: In product titles ct. tw. refers to the total carat weight of all diamonds and/or gemstones combined. Colour: metallic